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Pope John XXII canonized Thomas Aquinas in 1323, the first member of the Dominican order to be made a saint. Aquinas was a theologian, philosopher, and priest, and is considered one of the most important figures in the history of Western thought. His work on natural law and the relationship between faith and reason had a profound influence on subsequent thinkers, including Thomas Hobbes, John Locke, and René Descartes.